package com.atguigu.gulimall.order.interceptor;

import com.atguigu.common.to.MemberRespVo;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author wfjytd
 * @create 2022-01-09 16:28
 */
@Component
public class LoginUserInterceptor implements HandlerInterceptor {


    public static ThreadLocal<MemberRespVo> loginUser = new ThreadLocal<>();
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        MemberRespVo userLogin = (MemberRespVo) request.getSession().getAttribute("loginUser");
        if (userLogin!=null){
            loginUser.set(userLogin);
            return true;
        }else {
            //没有登录就重定向会登录页面
            request.getSession().setAttribute("msg","请先登录");
            response.sendRedirect("http://auth.gulimall.com/login.html");
            return false;
        }
    }
}
